Java Code Examples for org.eclipse.core.resources.IResource#getModificationStamp()

/**
 * Recursively scans the given container for files and adds them to the
 * given map, along with their time stamps. This does not list the
 * folders it recurses into.
 *
 * @param container container to scan for files
 * @param nameMap map of file paths to put the files and time stamps into
 * @param monitor progress monitor
 * @throws CoreException if an error occurs
 */
private void recursiveScanFiles(final IContainer container,
        final Map<IPath, Long> nameMap, IProgressMonitor monitor)
                throws CoreException {
    IResource[] res = container.members();
    for (IResource current : res) {
        if (current instanceof IFolder) {
            if (!excludeFolders.contains(current)) {
                // Recurse into subfolders
                IFolder subFolder = (IFolder) current;
                recursiveScanFiles(subFolder, nameMap, monitor);
            }
        }
        else if (!isProjectFile(current.getName())) {
            Long timestamp = new Long(current.getModificationStamp());
            nameMap.put(current.getProjectRelativePath(), timestamp);
        }
        monitor.worked(1);
    }
}
 

private <T extends IGamaFileMetaData> T readMetadata(final IResource file, final Class<T> clazz,
		final boolean includeOutdated) {
	T result = null;
	final long modificationStamp = file.getModificationStamp();
	try {
		final String s = (String) file.getSessionProperty(CACHE_KEY);
		if (s != null) {
			// s = GZIP.decompress(s);
			result = GamaFileMetaData.from(s, modificationStamp, clazz, includeOutdated);
		}
		if (!clazz.isInstance(result)) { return null; }
	} catch (final Exception ignore) {
		DEBUG.ERR("Error loading metadata for " + file.getName() + " : " + ignore.getMessage());
	}
	return result;
}
 

public long getModificationStamp(IResource resource) {
    if (!(resource instanceof IFile)) {
        return resource.getModificationStamp();
    }
    IFile file = (IFile) resource;
    ITextFileBuffer buffer = getBuffer(file);
    if (buffer == null) {
        return file.getModificationStamp();
    } else {
        IDocument document = buffer.getDocument();
        if (document instanceof IDocumentExtension4) {
            return ((IDocumentExtension4) document).getModificationStamp();
        } else {
            return file.getModificationStamp();
        }
    }
}
 

private void addStamps(Map<IResource, Long> stamps, ICompilationUnit[] units) {
	for (int i= 0; i < units.length; i++) {
		IResource resource= units[i].getResource();
		long stamp= IResource.NULL_STAMP;
		if (resource != null && (stamp= resource.getModificationStamp()) != IResource.NULL_STAMP) {
			stamps.put(resource, Long.valueOf(stamp));
		}
	}
}
 

private void addStamps(Map<IResource, Long> stamps, ICompilationUnit[] units) {
	for (int i= 0; i < units.length; i++) {
		IResource resource= units[i].getResource();
		long stamp= IResource.NULL_STAMP;
		if (resource != null && (stamp= resource.getModificationStamp()) != IResource.NULL_STAMP) {
			stamps.put(resource, new Long(stamp));
		}
	}
}
 

@Override
public void visitRemovedResource(IResource resource, ICallback0<IDocument> document, IProgressMonitor monitor) {
    PythonNature nature = getPythonNature(resource);
    if (nature == null) {
        return;
    }
    if (resource.getType() == IResource.FOLDER) {
        //We don't need to explicitly treat any folder (just its children -- such as __init__ and submodules)
        return;
    }
    if (!isFullBuild()) {
        //on a full build, it'll already remove all the info
        String moduleName;
        try {
            moduleName = getModuleName(resource, nature);
        } catch (MisconfigurationException e) {
            Log.log(e);
            return;
        }

        long documentTime = this.getDocumentTime();
        if (documentTime == -1) {
            Log.log("Warning: The document time in the visitor for remove is -1. Changing for current time. "
                    + "Resource: " + resource + ". Module name: " + moduleName);
            documentTime = System.currentTimeMillis();
        }
        long resourceModificationStamp = resource.getModificationStamp();

        final IAnalysisBuilderRunnable runnable = AnalysisBuilderRunnableFactory.createRunnable(moduleName, nature,
                isFullBuild(), false, AnalysisBuilderRunnable.ANALYSIS_CAUSE_BUILDER, documentTime,
                resourceModificationStamp);

        if (runnable == null) {
            //It may be null if the document version of the new one is lower than one already active.
            return;
        }

        execRunnable(moduleName, runnable, false);
    }
}
 

@Override
Change doPerformReorg(IProgressMonitor pm) throws CoreException, OperationCanceledException {
	String name;
	String newName= getNewName();
	if (newName == null) {
		name= getCu().getElementName();
	} else {
		name= newName;
	}

	// get current modification stamp
	long currentStamp= IResource.NULL_STAMP;
	IResource resource= getCu().getResource();
	if (resource != null) {
		currentStamp= resource.getModificationStamp();
	}

	IPackageFragment destination= getDestinationPackage();
	fUndoable= !destination.exists() || !destination.getCompilationUnit(name).exists();

	IPackageFragment[] createdPackages= null;
	if (!destination.exists()) {
		IPackageFragmentRoot packageFragmentRoot= (IPackageFragmentRoot) destination.getParent();
		createdPackages= createDestination(packageFragmentRoot, destination, pm);
	}

	// perform the move and restore modification stamp
	getCu().move(destination, null, newName, true, pm);
	if (fStampToRestore != IResource.NULL_STAMP) {
		ICompilationUnit moved= destination.getCompilationUnit(name);
		IResource movedResource= moved.getResource();
		if (movedResource != null) {
			movedResource.revertModificationStamp(fStampToRestore);
		}
	}

	if (fDeletePackages != null) {
		for (int i= fDeletePackages.length - 1; i >= 0; i--) {
			fDeletePackages[i].delete(true, pm);
		}
	}

	if (fUndoable) {
		return new MoveCompilationUnitChange(destination, getCu().getElementName(), getOldPackage(), currentStamp, createdPackages);
	} else {
		return null;
	}
}
 

public Change perform(IProgressMonitor pm) throws CoreException {
	try {
		pm.beginTask(RefactoringCoreMessages.RenameResourceChange_progress_description, 1);

		IResource resource= getResource();
		File absoluteFile = ResourceUtils.getAbsoluteFile(resource);
		IPath destPath = renamedResourcePath(resource.getRawLocation(), fNewName);
		
		boolean isLinked = resource.isLinked();
		
		long currentStamp= resource.getModificationStamp();
		IPath newPath= renamedResourcePath(fResourcePath, fNewName);
		IFile destIFile = ResourceUtils.getWorkspaceRoot().getFile(newPath);
		Change undoDeleteChange = null;
		if (destIFile.exists()) { // handle rename conflict 
			DeleteResourceChange deleteChange = new DeleteResourceChange(destIFile.getFullPath(), true);
			undoDeleteChange = deleteChange.perform(pm);
		}
		
		resource.move(newPath, IResource.SHALLOW, pm);
		
		if (isLinked) {
			File dest = destPath.toFile();
			FileUtils.deleteQuietly(dest);
			absoluteFile.renameTo(dest);
			
			// get the resource again since after move resource can be inadequate
			IWorkspaceRoot workspaceRoot = ResourceUtils.getWorkspaceRoot();
			resource = workspaceRoot.getFile(newPath);
			((IFile)resource).createLink(destPath, IResource.REPLACE, new NullProgressMonitor());
		}
		if (fStampToRestore != IResource.NULL_STAMP) {
			IResource newResource= ResourcesPlugin.getWorkspace().getRoot().findMember(newPath);
			newResource.revertModificationStamp(fStampToRestore);
		}
		String oldName= fResourcePath.lastSegment();
		XdsRenameResourceChange undoRenameChange = new XdsRenameResourceChange(newPath, oldName, currentStamp);
		if (undoDeleteChange == null) {
			return undoRenameChange;
		}
		else {
			return new CompositeChange(getName(), new Change[]{undoRenameChange, undoDeleteChange}); // constructing undo changes
		}
	} finally {
		pm.done();
	}
}
 

@Override
Change doPerformReorg(IProgressMonitor pm) throws CoreException, OperationCanceledException {
	String name;
	String newName= getNewName();
	if (newName == null)
		name= getCu().getElementName();
	else
		name= newName;

	// get current modification stamp
	long currentStamp= IResource.NULL_STAMP;
	IResource resource= getCu().getResource();
	if (resource != null) {
		currentStamp= resource.getModificationStamp();
	}

	IPackageFragment destination= getDestinationPackage();
	fUndoable= !destination.exists() || !destination.getCompilationUnit(name).exists();

	IPackageFragment[] createdPackages= null;
	if (!destination.exists()) {
		IPackageFragmentRoot packageFragmentRoot= (IPackageFragmentRoot) destination.getParent();
		createdPackages= createDestination(packageFragmentRoot, destination, pm);
	}

	// perform the move and restore modification stamp
	getCu().move(destination, null, newName, true, pm);
	if (fStampToRestore != IResource.NULL_STAMP) {
		ICompilationUnit moved= destination.getCompilationUnit(name);
		IResource movedResource= moved.getResource();
		if (movedResource != null) {
			movedResource.revertModificationStamp(fStampToRestore);
		}
	}

	if (fDeletePackages != null) {
		for (int i= fDeletePackages.length - 1; i >= 0; i--) {
			fDeletePackages[i].delete(true, pm);
		}
	}

	if (fUndoable) {
		return new MoveCompilationUnitChange(destination, getCu().getElementName(), getOldPackage(), currentStamp, createdPackages);
	} else {
		return null;
	}
}
 

private void initializeResource(IResource resource) {
    fKind = RESOURCE;
    fDirty = false;
    fReadOnly = isReadOnly(resource);
    fModificationStamp = resource.getModificationStamp();
}
 

@Override
public Change perform(IProgressMonitor pm) throws CoreException {
    try {
        pm.beginTask(getName(), 1);

        IResource resource = getResource();
        long currentStamp = resource.getModificationStamp();
        IContainer destination = target != null ? target : getDestination(resource, fInitialName, fNewName, pm);

        IResource[] createdFiles = createDestination(destination);

        IPath newPath;
        boolean copyChildrenInsteadOfMove = false;
        if (resource.getType() == IResource.FILE) {
            //Renaming file
            newPath = destination.getFullPath().append(FullRepIterable.getLastPart(fNewName) + ".py");
        } else {
            //Renaming folder
            newPath = destination.getFullPath().append(FullRepIterable.getLastPart(fNewName));

            IPath fullPath = resource.getFullPath();
            if (fullPath.isPrefixOf(newPath)) {
                copyChildrenInsteadOfMove = true;
            }
        }

        if (copyChildrenInsteadOfMove) {
            IContainer container = (IContainer) resource;
            IResource[] members = container.members(true); //Note: get the members before creating the target.
            IFolder folder = container.getFolder(new Path(newPath.lastSegment()));
            IFile initFile = container.getFile(new Path("__init__.py"));

            folder.create(IResource.NONE, true, null);
            createdFiles = ArrayUtils.concatArrays(createdFiles, new IResource[] { folder });

            for (IResource member : members) {
                member.move(newPath.append(member.getFullPath().lastSegment()), IResource.SHALLOW, pm);
            }
            initFile.create(new ByteArrayInputStream(new byte[0]), IResource.NONE, null);

        } else {
            //simple move
            resource.move(newPath, IResource.SHALLOW, pm);
        }

        if (fStampToRestore != IResource.NULL_STAMP) {
            IResource newResource = ResourcesPlugin.getWorkspace().getRoot().findMember(newPath);
            newResource.revertModificationStamp(fStampToRestore);
        }

        for (IResource r : this.fCreatedFiles) {
            r.delete(true, null);
        }

        //The undo command
        return new PyRenameResourceChange(newPath, fNewName, fInitialName, fComment, currentStamp, createdFiles);
    } finally {
        pm.done();
    }
}
 

private static String getModuleNameCacheKey(IResource resource) {
    return MODULE_NAME_CACHE + resource.getModificationStamp();
}